216565519210

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{21853231}}^1$

素因数の和:21854229

約数の個数: 16

約数和(自身を含む): 390211310592

約数和(自身を除く): 173645791382

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 21853231, 43706462, 109266155, 218532310, 21656551921, 43313103842, 108282759605, 216565519210]

約数ペア:

[(1, 216565519210), (2, 108282759605), (5, 43313103842), (10, 21656551921), (991, 218532310), (1982, 109266155), (4955, 43706462), (9910, 21853231)]